SEGMENT INFORMATION: Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Revenues	$ 212,514	$ 214,801
Gross Profit	98,554	91,982
Operating Income (Loss)	(5,707)	8,162
Operating Segments
Segment Reporting Information [Line Items]
Revenues	212,514	214,801
Gross Profit	106,093	96,953
Operating Income (Loss)	48,278	45,532
Operating Segments \| Marketing Services
Segment Reporting Information [Line Items]
Revenues	91,594	109,715
Gross Profit	31,358	37,466
Operating Income (Loss)	19,784	20,145
Operating Segments \| Audience Solutions
Segment Reporting Information [Line Items]
Revenues	75,734	73,744
Gross Profit	47,210	41,912
Operating Income (Loss)	28,542	25,096
Operating Segments \| Connectivity
Segment Reporting Information [Line Items]
Revenues	45,186	31,342
Gross Profit	27,525	17,575
Operating Income (Loss)	$ (48)	$ 291

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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